Two planets stand side by side as the evening twilight continues to delight and colorful stars shine in the sky this week.

This red giant bears a visual resemblance to the planet Mars due to its color ... Jupiter’s 44”-wide disk. East Coast observers, you may catch the start of a transit as the large moon Ganymede ...

This red giant bears a visual resemblance to the planet Mars due to its color ... Jupiter's 44"-wide disk. East Coast observers, you may catch the start of a transit as the large moon Ganymede ...

The Jupiter image is an infrared color composite taken by the spacecraft’s near-infrared imaging spectrometer. Jupiter as seen from above its north pole by Pioneer 11 in 1974. The solar system's ...

Research Fellow Dr. Babak Bakhit has encountered one of his most challenging projects to date—contributing to the European ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, ...

She said the eclipse runs from around 11 p.m. on March 13 to about 5 a.m. on March 14 with totality, or when the Moon has completely changed its color, coming at around 1:30 a.m. on March 14.

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava-spewing volcanoes that make the world one of chaos and violence. The brutal conditions also make Io intriguing ...